About the Authors

Karolin Hoffmann

Affiliations Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland, Center for Clinical Studies, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Franziska Schott

Affiliation Department of Farm Animals, Division of Swine Medicine, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Manuela Donati

Affiliation DIMES, Microbiology, University of Bologna, Bologna, Italy

Antonietta Di Francesco

Affiliation Department of Veterinary Medical Sciences, University of Bologna, Ozzano Emilia (BO), Italy

Michael Hässig

Affiliation Department for Farm Animals, Section for Herd Health, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Sabrina Wanninger

Affiliations Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland, Center for Clinical Studies, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Xaver Sidler

Affiliation Department of Farm Animals, Division of Swine Medicine, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Nicole Borel

n.borel@access.uzh.ch

Affiliation Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NB XS KH FS MD AF. Performed the experiments: KH FS SW. Analyzed the data: KH MH. Wrote the paper: KH NB.